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Acer L812 - User Manual

Acer L812
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Acer DLP Projector
L811/EL8630Ua/HL-4K30Ua/
GL825Ua/VL-730Ua/
A4K2101/
L812/EL8632Ua/HL-4K32Ua/
GL827Ua/VL-732Ua/L811+/
A4K2109
Series User's Guide
Copyright © 2021. Acer Incorporated.
All Rights Reserved.
Acer Projector User's Guide
Original Issue: 08/2021

Questions and Answers

  • C
    Catherine LewisAug 18, 2025
    How to adjust image size on Acer L812?
    • J
      Jennifer SteeleAug 18, 2025
      To adjust the image size, try the following: Adjust the zoom lever on the top of the projector. Move the projector closer to or further from the screen. Alternatively, press "MENU" on the control panel or remote control, go to "Image" > "Aspect Ratio," and experiment with different settings.
  • G
    gomezcindyAug 20, 2025
    How to fix no image on Acer Projector?
    • R
      Roy MyersAug 20, 2025
      If no image appears on the screen, ensure all cables are correctly connected as described in the "Getting Started" section. Also, check that none of the connector pins are bent or broken, and verify that the projector is switched on.
  • W
    woodssarahAug 23, 2025
    What to do if Acer L812 image is out of focus?
    • C
      Courtney MunozAug 23, 2025
      If the image is out of focus, adjust the focus settings. Also, make sure the projection screen is within the required distance.
  • S
    Scott TranAug 26, 2025
    How to correct slanted image sides on Acer L812 Projector?
    • A
      Alexandra ThomasAug 26, 2025
      To correct slanted image sides, try these steps: If possible, reposition the projector so that it is centered on the screen and below the bottom of the screen. Press the Keystone correction keys on the control panel or remote control until the image becomes square. Alternatively, press "MENU" on the control panel or remote control to open the OSD menu and go to "Image" > "H/ V Keystone" or "Image" > "4 Corner Correction" to make adjustments.
  • E
    Edward BrownAug 28, 2025
    What to do if Acer L812 image is partial on notebook?
    • R
      robertonealAug 28, 2025
      If the image is incorrectly displayed, follow the steps to adjust the resolution of your computer. Press the toggle output settings. Example: [Fn]+[F4], Compaq [Fn]+[F4], Dell [Fn]+[F8], Gateway [Fn]+[F4], IBM [Fn]+[F7], HP [Fn]+[F4], NEC [Fn]+[F3], Toshiba [Fn]+[F5]. If you experience difficulty changing resolutions or your monitor freezes, restart all equipment including the projector.
  • M
    matthew39Aug 30, 2025
    How to fix partial image on Acer L812 Projector (PC)?
    • J
      Jessica CampbellAug 30, 2025
      To fix an incorrectly displayed image: Open "My Computer > Control Panel," and then double-click the "Display" icon. Select the "Settings" tab. Verify that your display resolution setting is lower than or equal to 1600 x 1200 or 1920 x 1080. Click the "Advanced Properties" button. If the problem still appears, change the monitor display you are using and follow the steps below: Verify that the resolution setting is lower than or equal to 1600 x 1200 or 1920 x 1080. Click the "Change" button under the "Monitor" tab. Click "Show all devices > Standard monitor types" under the SP box, and choose the resolution mode you need under the "Models" box. Verify that the resolution setting of the monitor display is lower than or equal to 1600 x 1200 or 1920 x 1080.
  • K
    kyle71Sep 2, 2025
    Why is my Acer L812 Projector image flickering?
    • R
      Robert JonesSep 2, 2025
      If the image is unstable or flickering, change the display color setting on your computer.
  • J
    Jaclyn ArnoldSep 4, 2025
    How to remove vertical flickering bar on Acer L812 Projector image?
    • K
      Kevin PadillaSep 4, 2025
      To remove a vertical flickering bar, check and reconfigure the display mode of your graphics card to make it compatible with the projector.
  • S
    Sandra SotoSep 7, 2025
    Why is Acer L812 image stretched on widescreen DVD?
    • J
      Jeremy MorrisSep 7, 2025
      When you play a DVD encoded in anamorphic or 16:9 aspect ratio you may need to adjust the following settings: If you play a 4:3 format DVD title, please change the format to 4:3 with the projector OSD. If the image is still stretched, you will also need to adjust the aspect ratio. Set up the display format to 16:9 (wide) aspect ratio on your DVD player.
  • H
    Hannah WatsonSep 10, 2025
    How to fix reversed image on Acer L812 Projector?
    • S
      Stacey HamiltonSep 10, 2025
      To correct a reversed image, select "Image" > "Projection Mode", "Image" > "Projection Location" on the OSD and adjust the projection direction.

Summary

Safety Information

Safety Warnings

Covers general warnings for operation, cleaning, plug use, accessibility, and placement.

Electrical Power Safety

Details safe practices for connecting and using electrical power sources.

Listening and Laser Safety

Provides guidance on safe listening levels and laser usage to prevent harm.

Product Introduction and Setup

Getting Started

Connecting the Projector

Guides on connecting various input devices and accessories to the projector.

Powering the Projector

Steps for safely turning the projector on and off.

Image Adjustment and Settings

Adjusting Image Height

Instructions for using tilt adjusting wheels to set image height.

Image Size and Zoom

How to achieve desired image size by adjusting distance and zoom.

Installation Menu

Accessing and using the OSD for initial installation setup.

Advanced Image Settings

Image Display Control

Troubleshooting and Support

Troubleshooting Guide

General guide for diagnosing and resolving projector issues.

Image Problems

Solutions for common image display errors and artifacts.

Projector Issues

Troubleshooting for projector malfunctions like unresponsiveness or lamp issues.

Management and Audio

Acer L812 Specifications

General IconGeneral
Display TechnologyDLP
Brightness3000 ANSI Lumens
Projection LensFixed Lens
Light SourceLaser
Weight6 kg
TechnologyDLP
Contrast Ratio2000000:1
Aspect Ratio16:9
Light Source Life30, 000 Hours
Keystone Correction+/- 30 Degrees Vertical
InterfacesHDMI, USB, Audio Out, RJ-45
Noise Level26 dB
Screen Size120 inches
InputsHDMI, USB
Speakers2 x 5W

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